Caption: I received shipment of my new Canon 24-70mm f/2.8L lens on Thursday and took it out shooting on Saturday for the first time and when I returned from the shoot, I do what I usually do, clean my lenses — with with a blower and ... lens tissue. Ah, there is my paper subject. I thought I'd combine this lens tissue idea I had with taking on a real weakness of mine — using flash as my light source. Oh ... black objects ... you think they are clean when you set them up — they're not. I had to spot out 21 specs of dust using Aperture's patch tool.